Steel box girder hoisting aerial attitude control mechanism and control method

The invention relates to a steel box girder hoisting aerial attitude control mechanism and a control method, the steel box girder hoisting aerial attitude control mechanism comprises a limit type water tank and a wireless control mechanism for controlling the limit type water tank to drain water, the limit type water tank is detachably mounted at one end of a girder top plate of a steel box girder, a water outlet of the limit type water tank is connected with a drainage rubber pipe, and the wireless control mechanism comprises a wireless electromagnetic valve; the wireless electromagnetic valve is installed at a water outlet of the limit type water tank, a low-power-consumption WiFi communication module is arranged in the wireless electromagnetic valve, a WiFi signal control switch is arranged outside the wireless electromagnetic valve, the WiFi signal control switch controls the wireless electromagnetic valve to be opened and closed through the WiFi communication module, and the WiFi signal control switch an